53results about How to "Guaranteed hygienic performance" patented technology

The invention relates to the technical field of building decoration materials, and discloses a self-purification environment-friendly plate which comprises the following components in percentage by weight: 30-40% of MOFs, 15-25% of a nitrogen-doped carbon-based photocatalyst, 5-10% of graphene oxide, 5-10% of a self-repairing polymer, 0.5-2% of an antibacterial agent and 3-8% of a humidity adjusting material. The invention further discloses a preparation method of the environment-friendly plate with the self-purification function. Synthesis of MOFs (Metal Organic Frameworks); preparing and compounding a nitrogen-doped carbon-based photocatalyst; compounding the graphene oxide; introducing an antibacterial agent and a humidity adjusting material. Through the design of a composite material, multiple functions are realized: MOFs provide efficient adsorption capacity and can capture and decompose harmful gases such as formaldehyde and benzene series in air; the nitrogen-doped carbon-based photocatalyst generates a photocatalytic reaction under visible light, so that harmful gas is decomposed into harmless substances, and a self-purification function is realized.

The invention provides a beauty microneedle with a rotary adjusting gear. The beauty microneedle comprises a holding handle, a shell, a needle seat, a microneedle body and the like. An annular track is arranged on the inner side of the rear cover cap, gear grooves with different depths are formed in the track and matched with a gear shaft at the rear end of the driving rod, and the extending and retracting length of the microneedle can be accurately controlled. The spring in the channel provides retraction force for the driving rod, skin injury is avoided, and gear adjustment is stabilized. The rear cap and the holding handle are axially fixed and rotate circumferentially, so that structural stability and convenience in operation are guaranteed. The track is connected with the rear cap through a connecting strip, so that secondary use of the microneedle is prevented. And due to the arc guide surfaces between the adjacent gear grooves, the gear switching is smoother, and the operation smoothness and the structural stability are improved. And the gear mark outside the rear cover cap corresponds to the indication mark on the holding handle, so that a user can know the current gear conveniently. The beauty microneedle provides an efficient, accurate, safe and convenient skin beauty tool for a user.

The invention discloses a capsule filling device in the technical field of medical equipment.The capsule filling device comprises a hopper, a filling device, a capsule conveying device and a control system, the capsule conveying device is responsible for conveying empty capsules to a filling position and sending out the filled capsules, and the control system is used for controlling operation of equipment and setting of various parameters; the filling device comprises a filling box, a driving mechanism, a plurality of filling blocks and filling needles, the filling box is connected to the top end of the capsule conveying device and communicated with the hopper, the filling blocks are communicated to the bottom end of the filling box, the filling needles are connected to the bottom ends of the filling blocks, and the lengths of the filling needles are sequentially reduced. The conveying direction of the capsule conveying device is consistent with the length decreasing direction of the multiple filling needles, and the driving mechanism is used for driving the medicine powder in the filling block to reach the capsules through the filling needles.

The utility model is suitable for the technical field of respiratory training, and provides a respiratory training device which comprises a cylinder, supporting legs are detachably installed on the two sides of the cylinder, and supports are arranged at the bottoms of the two supporting legs. The shelf is used for placing the floating ball, and an airflow port is formed in the shelf; the air blowing pipe is fixedly communicated with the bottom of the cylinder body; and the adjusting mechanism is arranged on the cylinder body and is used for adjusting the size of the airflow port. According to the respiratory training device, accurate quantification, flexible regulation and control and efficient and safe respiratory training are achieved, the pertinence and effectiveness of training are improved, sanitation, comfort and safety in the using process are guaranteed, and effective training of respiratory muscles is promoted.

The utility model discloses an anti-drop multifunctional application, which comprises a transparent film, the bottom end of the transparent film is fixedly connected with an adhesive layer, the bottom end of the adhesive layer is fixedly connected with an application cotton pad, and the center line of the application cotton pad and the center line of the transparent film are on the same vertical plane. According to the anti-falling multifunctional application, the sticking layers are arranged, the multiple sets of positioning belts are fixed to the two sides of the transparent sticking film of the multifunctional application, and the multiple sets of positioning belts of a separated structure can be pulled to different positions during sticking and attached to the skin through the sticking layers at one ends of the positioning belts; the bottom of the upwarp part on one side of the positioning belt is not coated with the sticking layer, so that the positioning belt can be conveniently uncovered, and the grooves formed in the two ends of the transparent sticking film can prevent the two ends of the transparent sticking film from being pulled by the skin to deform and generate wrinkles; the problem that an application patch is prone to falling off is solved.

The invention relates to the technical field of face thinning instruments, and discloses a face thinning instrument which comprises a base and a handle, a placement seat is arranged above the base and comprises a baffle, a top plate and a bottom plate are arranged on the upper end face and the lower end face of the baffle respectively, and a cleaning mechanism is installed in the placement seat and comprises an arc-shaped plate. Pressing plates are arranged on the opposite sides of the two arc-shaped plates, cleaning cotton cloth is arranged on the opposite sides of the two pressing plates, and connecting columns are arranged above the two sides of the outer surface of the handle. The problems that the face-lift instrument is single in function, a large amount of oily substances are often adhered to a roller group of the face-lift instrument, and use of the face-lift instrument next time is affected if the face-lift instrument is not cleaned in time are solved. According to the invention, the functions are diversified, the massage rollers are convenient to clean, the hygiene of subsequent use is ensured, and waste caused by excessive applied essence can be avoided while the skin care function is added.

The utility model relates to the technical field of floor drain equipment, in particular to a floor drain connector and a drainage device thereof, which comprises a connector body, a conducting connecting piece and a bearing piece, the conducting connecting piece and the bearing piece are arranged in the connector body, and the conducting connecting piece is communicated with the bearing piece; the connector body is further provided with a drainage channel and a plurality of water inlet channels, the conduction connecting piece is communicated with the water inlet channels, the bearing piece is communicated with the drainage channel, and the height of the conduction position between the conduction connecting piece and the bearing piece is lower than that of the conduction position between the bearing piece and the drainage channel. According to the utility model, the drainage performance can be improved, sewage backflow and sewer odor return can be prevented, and the occurrence of water leakage can be effectively reduced.

The invention discloses an adaptive eye warm moxibustion device which comprises a first warm moxibustion box, a second warm moxibustion box and an outer shell, the first warm moxibustion box and the second warm moxibustion box are both movably installed in the outer shell, the first warm moxibustion box is located on one side of the second warm moxibustion box, and the second warm moxibustion box is located on the other side of the first warm moxibustion box. Butt joint sliding buckles are fixedly installed on the upper surfaces of the first needle warming moxibustion box and the second needle warming moxibustion box, threaded sliding buckles are fixedly installed on the lower surfaces of the first needle warming moxibustion box and the second needle warming moxibustion box, and sliding grooves matched with the threaded sliding buckles and the butt joint sliding buckles are formed in the surface of the outer shell. Butt joint clamping rings used for being in butt joint with moxa cones are movably installed in the first needle warming moxibustion box and the second needle warming moxibustion box, the first needle warming moxibustion box and the butt joint clamping rings are movably connected through two sets of butt joint rods, and the second needle warming moxibustion box and the butt joint clamping rings are movably connected through two sets of butt joint rods; the moxibustion position can be adjusted according to the eye position, the adaptability of the moxibustion device is improved, the moxibustion device is provided with a moxa cone auxiliary installation structure, the installation difficulty is reduced, and the moxa cone is prevented from burning a user during installation.

The invention discloses an improved beef cattle breeding method for livestock, which is characterized by comprising the following steps: step 1, selecting a breeding environment; step 2, selecting improved beef cattle; 3, nutrition and activity management; 4, performing oestrus induction and hybridization; and step 5, after pregnancy, taking care. By means of the breeding method, the breeding rate of improved varieties can be increased. The invention further discloses an improved beef cattle breed breeding device for animal husbandry, the breeding method is adopted, the improved beef cattle breed breeding device for animal husbandry is characterized in that the improved beef cattle breed breeding device comprises a shell, a columnar groove is formed in the upper end of the shell, a sealing door is installed on the front side of the shell, and a horizontal installation plate is installed at the upper end of the shell; and the standing net is located in the columnar groove, a plurality of sliding grooves are formed in the inner wall of the columnar groove, and a plurality of sliding blocks are fixedly connected to the outer side of the standing net. During specific use, cattle to be bred can be trained, the exercise intensity of the cattle every day is guaranteed, the overall quality of the cattle is improved, and therefore the breeding rate of improved varieties is increased.

The invention relates to the technical field of medical auxiliary instruments, and discloses an auxiliary examination device for a dental consulting room, the auxiliary examination device comprises a base, one side of the base is fixedly connected with a supporting seat, the top end of the supporting seat is provided with a lying seat, the lying seat is arc-shaped, the two sides of the lying seat are provided with armrest frames, and the armrest frames are arranged on the supporting seat. A backrest plate is connected to one side of the lying seat, a head backup plate is connected to the middle of the side, away from the lying seat, of the backrest plate, the two sides of the head backup plate are connected to the middles of the two sides of the shell through elastic connecting belts correspondingly, mute earmuffs are arranged on the elastic connecting belts correspondingly, and mounting cavities are formed in the two sides of the middle of the shell correspondingly; and mounting seats are arranged in the mounting cavities. Through the integrated design of the whole equipment, normal use of dental examination or treatment can be met, through matched use of the side table, oral examination or treatment of other items can be carried out, and the use range is wide.

The utility model relates to the technical field of pipeline machines, in particular to a pipeline machine with a sterilization function, which comprises a case and a water inlet pipe arranged at the lower end of the case. A water storage tank is mounted at the bottom end in the case, a first ultraviolet lamp is fixed in the water storage tank, the periphery of the first ultraviolet lamp is sleeved with a spiral transparent pipe, the head end of the spiral transparent pipe is communicated with the water inlet pipe, second ultraviolet lamps are mounted on the two sides of the inner wall of the water storage tank, and the tail end of the spiral transparent pipe is communicated with a bent pipe; the spiral transparent pipe is arranged on the periphery of the first ultraviolet lamp, and the second ultraviolet lamps are arranged on the two sides of the inner wall of the water storage tank, so that water in the spiral transparent pipe can be sterilized at the same time inside and outside, and the sterilization effect can be improved; and the water is continuously sterilized through a first ultraviolet lamp and a second ultraviolet lamp, so that the sterilization time of the water is effectively prolonged, and the sterilization effect of the water is better improved.

The utility model relates to the technical field of air fryers, in particular to a humidity adjusting device for an air fryer, which comprises an outer shell I, an inner shell is arranged in the outer shell I, a placing groove is arranged between the outer shell I and the inner shell, a water tank is movably connected in the placing groove, a mounting groove is arranged in the water tank, and the mounting groove is arranged in the mounting groove. And a sealing plate is slidably connected into the mounting groove, a connecting hole is formed in the portion, close to the section, of the top of the sealing plate in a penetrating mode, a spraying head is arranged at the position, close to the top, of the inner side of the inner shell, and an atomizing piece is arranged in the spraying head. Humidity is controlled through the atomization piece, the water pipe and the water diversion cotton sliver are replaced regularly, so that the influence of the problems of aging and scaling of the water pipe, bacteria breeding of the water diversion cotton sliver and the like on water supply quality is avoided, the water tank and the water pipe are also very convenient to clean, and cleanliness and sanitation of a water supply system can be guaranteed only through simple operation. And the problem of scaling of the water tank and the water pipe is effectively prevented.

The present invention discloses an auxiliary treatment device for foot diseases, and relates to the technical field of auxiliary treatment devices for foot diseases; in order to ensure the treatment effect; the device comprises a pad, and two symmetrical support frames are adjustable on the inner walls of both sides of the pad through an adjustment mechanism, and two symmetrical filling mechanisms and two symmetrical groove expanding mechanisms are respectively arranged on the two support frames, and the filling mechanisms include a mounting tube and a hard cotton swab; the device performs pre-treatment on the diseased toe; the pad is placed under the treated toe, an elastic band is stretched along the top of the toe, and a clamping column is inserted into a clamping groove of the pad. The present invention provides a filling mechanism and other structures, and uses the groove expanding mechanism to hook the tissues on both sides of the nail to both sides, thereby expanding the nail groove, exposing the nail, and pushing the mounting tube, so that the soft cotton plug at one end of the hard cotton swab is inserted into the gap under the nail, thereby achieving the effect of correcting the nail.

The filtering device comprises a filtering box, an electromagnet is movably connected to the upper end of the inner surface of the filtering box, a conductive sliding ring is fixedly connected to the back face of the electromagnet, and a sweeping roller is movably connected to the position, located on the right side of the electromagnet, of the upper end of the inner surface of the filtering box. When a motor is turned on, an oscillation plate can be driven to rotate through a single-sided tooth synchronous belt, a filter box can vibrate up and down under the cooperation of a limiting sleeve, a limiting rod and a first spring, a cleaning roller can be driven to rotate through the single-sided tooth synchronous belt when the oscillation plate rotates, and an electromagnet can be driven to rotate through the single-sided tooth synchronous belt when the cleaning roller rotates; power supply of the electromagnet is not affected while the electromagnet rotates under cooperation of the conductive sliding ring, so that the electromagnet can attract scrap iron on the surface of the sieve plate, the scrap iron attached to the surface of the electromagnet can be swept to the scraper blade under cooperation of the sweeping roller, and the scraper blade scrapes away the scrap iron attached to the surface of the electromagnet.

The utility model discloses a multifunctional medical operating bed which comprises a bed body, a sterile drawer and a dirt collecting device are arranged on one side of the bed body in the length direction, an abdominal circumference measuring device corresponding to the position of the abdomen of a human body lying on the bed body is arranged on the other side of the bed body, and a dressing changing operating table is arranged at the tail of the bed body. And bed legs with universal wheels are arranged at the bottom of the bed body. According to the technical scheme, the multifunctional dressing change operating table has the advantages that the dressing change operating table, the abdominal circumference measuring function, the sterile article storage function and the dirt collecting function are integrated, use of auxiliary equipment is reduced, and the medical operation efficiency is improved; by means of the shaking table handle and the abdominal circumference measuring device, the height and angle of the table body can be adjusted according to the requirements of a patient, and various medical scenes are met; due to the design of universal wheels, the operation bed is flexible to move, and meanwhile, a brake device is arranged, so that the stability in the using process is ensured; due to the design of the sterile article drawer and the dirt collecting device, the sanitation of medical operation is ensured, and the risk of cross infection is reduced.

The invention discloses a metal cage with a feeding device, which relates to the related field of metal cages and comprises a cage body, a top plate, a feeding mechanism, a movable plate, a clamping block and a supporting block. The device has convenient feeding and water supply functions, grains can be injected through the top and stored in the device, water is injected through a water injection hopper and a water guide pipe system, high efficiency and sanitation of operation are guaranteed, during feeding, a bidirectional motor drives a stirring part to rotate flexibly, and centrifugal force is generated through a limiting part to pull out the grains from a food conveying pipe for animals to eat; meanwhile, the connecting shaft drives the opening and closing piece, the water outlet is accurately controlled to be opened and closed, water is discharged into the tray to be drunk by animals, the overall structure is intelligent, operation is easy and convenient, and the functional requirement for animal feeding is fully met.

The invention relates to a sponge integrated soap, which comprises soap particles and a sponge, the soap particles are distributed in the sponge, and the soap particles comprise the following components: a coconut oil soap base and a hardening agent used for limiting the movement of the soap particles in sponge pores, the hardener includes sodium alginate providing negatively charged macromolecular chains and a calcium salt for bridging adjacent sodium alginate macromolecular chains. After the scheme is adopted, the prepared sponge integrated soap can be in direct contact with skin, soap particles are uniformly distributed in the sponge, and liquid soap can uniformly flow to each use surface of the sponge after meeting water, so that the cleaning effect is remarkably improved, in addition, the used liquid soap or soap foam cannot flow back into the sponge, and the cleaning effect is improved. And the sanitation and durability of the product are ensured.

The utility model relates to the technical field of food processing equipment manufacturing, in particular to dough kneading and tendon beating equipment. The working table top is assembled with the rack by means of a hinge component. The material containing barrel, the stirring assembly and the stirring power part cooperate to achieve dough kneading and rib beating actions and are all borne by the working table top. In the dough kneading and rib beating process, the working table is horizontally supported on the rack, and flour and water are fully mixed and stirred in the material containing barrel under the action of continuous stirring force; after gluten bodies are formed, the working table is overturned under the action of overturning torque, in the process, the material containing barrel is converted into a horizontal state from a vertical state, the gluten bodies can automatically slide out of the material containing barrel under the action of gravity and do not need to be manually taken out, and therefore the labor intensity of workers is reduced, and the working efficiency is improved. The phenomenon that gluten bodies are polluted due to manual operation is avoided, and an automatic production line can be easily organized.

The utility model discloses a melamine tableware plate with a heat preservation effect, which belongs to the technical field of catering utensils and comprises a dinner plate, an outer box used for placing the dinner plate is mounted at the bottom end of the dinner plate, and a sealing cover used for preventing steam from volatilizing when the device is heated is mounted at the top end of the dinner plate. The outer box and the sealing cover are rotationally connected through a movable structure used for flexibly adjusting the height of the sealing cover, and a heating structure used for heating the dinner plate is fixedly installed in the outer box. A movable plate is connected with a sawtooth block to slide along a sawtooth plate, a movable rod is driven to ascend and descend in a sliding groove, then the use state of the movable plate on the outer surface of the outer box is adjusted, when the movable plate is unfolded, a sealing cover can be assisted, it is guaranteed that the interior of the device is sealed, food temperature and humidity loss is effectively prevented, and when the movable plate is contracted, use space can be saved; the flexibility of the device is enhanced.

The invention relates to the field of gynecologic examination chairs, in particular to an adjustable multifunctional gynecologic examination chair which comprises an examination seat, a seat cushion structure capable of relieving hip fatigue of a pregnant woman is arranged on the surface of the examination seat, and a backrest structure capable of massaging the back of the pregnant woman is arranged on one side of the upper end of the examination seat. Supporting armrests are arranged on the two sides of the upper portion of the examination seat, an examination structure capable of examining the body of a pregnant woman is installed at the tops of the supporting armrests, a leg supporting structure capable of being pulled is arranged on the outer wall of the front end of the examination seat, and a damping structure capable of damping the device is arranged at the bottom of the examination seat. The outer wall of the examination seat is provided with a rising and falling structure capable of limiting movement of the backrest structure, the gynecological examination chair is more humanized and intelligent, personalized adjustment can be conducted according to the physical condition and examination requirements of a pregnant woman, and the comfort and safety of the pregnant woman are fully considered in design.

The invention relates to a microbial separation device and a separation method. The microbial separation device comprises a shell and a separation cylinder arranged in the shell, a cleaning mechanism for cleaning the inner wall of the shell is arranged on the shell; the cleaning mechanism comprises an annular outer plate rotationally arranged on the shell, a plurality of connecting pins distributed in the circumferential direction are fixedly connected to the inner side of the annular outer plate, and an annular guide groove and an offset guide groove communicating with the annular guide groove are formed in the side, facing the connecting pins, of the annular inner plate; a V-shaped connecting rod is hinged to each connecting pin, a rolling wheel is rotationally connected to each V-shaped connecting rod, and the rolling wheels are contained in the annular guide grooves or the offset guide grooves and can roll in the annular guide grooves or the offset guide grooves. The independent low-speed driving mechanism is arranged, so that the scraping plate can be driven to perform continuous and circumferential scraping cleaning on the inner wall of the shell while the separation barrel performs high-speed centrifugal operation, and the mechanism ensures that splashing liquid drops are immediately scraped, guided and collected before the splashing liquid drops are not attached and dried.

The utility model discloses a cat litter basin convenient to process quickly. The cat litter basin is composed of two cat litter basins which are the same in structure and size and a sandglass. One cat litter basin serves as a bottom basin and is used for placing a sandglass and is tightly attached to the sandglass, and the other cat litter basin is inverted to serve as a top cover and is clamped with the cat litter basin serving as the bottom basin to form a complete cat litter basin body; a plurality of strip-shaped leakage holes are evenly distributed in the bottom layer of the hourglass and the upper layer located at the front end opening of the hourglass, a handle and a holding hole which are convenient to take are correspondingly arranged on the front end face and the rear end face of the hourglass respectively, and a cleaning hole used for pouring out waste is further formed in the lower right bottom corner of the front end face of the hourglass. The cat litter box has the advantages that the time for cleaning the cat litter is saved due to the fact that the two same cat litter boxes are alternated and the sandglass separates the cat litter, rapid separation and pouring of the cat litter and waste are achieved, the operation process is simplified, and the cleaning efficiency is improved; and 2, the stability and the sealing performance of the cat litter basin are enhanced, and the comfort and the sanitation of the pet in use are ensured.

This invention discloses a glaucoma aqueous humor drainage tube implantation and injection device, relating to the field of glaucoma treatment technology. It includes a shell, with a baffle one and a baffle two fixedly connected to the inner wall of the shell. A cylinder is fixedly connected to the inner wall of baffle one and the top surface of baffle two. A drainage component is disposed inside the cylinder, and two sealing blocks are disposed below the cylinder. Body parts are fixedly connected to both sides of the shell, and adhesive patches are disposed below the two body parts. A driving component is disposed inside the shell. It also includes two sets of eye-expanding components, each disposed within one of the two body parts. The two sets of eye-expanding components allow the two adhesive patches to move synchronously with angular trajectory characteristics. Furthermore, it includes two sets of protective components, which allow the two sealing blocks to move in opposite directions. Through the cooperation of the above structures, this invention assists doctors in treating patients and helps patients recover better.

The invention discloses an automatic dispensing and packaging line for traditional Chinese medicine, comprising a first frame and a second frame provided with a packaging material bin, the first frame is provided with a medicine box conveying device extending in the direction of the second frame, and the first frame located above the medicine box conveying device is provided with a medicine dispensing device; the second frame is also provided with a medicine box transfer device for transferring medicine boxes between the medicine box conveying device and the packaging material bin, the medicine box transfer device is provided with a flip mechanism, and the flip mechanism is provided with a medicine box clamping mechanism; it also includes a medicine box return device connected and matched with the medicine box transfer device, the other end of the medicine box return device extends to the initial end of the medicine box conveying device, and a medicine box cleaning and stacking station is provided between the two. The automatic dispensing and packaging of traditional Chinese medicine after dispensing are realized, and the work efficiency is effectively improved, the labor volume is reduced, and the labor intensity and labor cost are reduced under the premise of ensuring hygiene.

The utility model provides a device for extracting live bamboo wine. The device comprises a suction pipe, a wine temporary storage cavity, a plug, a connecting pipe, suction equipment, a bottle cap and a bottle, the straw is directly inserted into the bottom of the bamboo cavity for extraction, so that direct contact between wine and the external environment is avoided, and artificial pollution and introduction of microorganisms are reduced; negative pressure is formed by utilizing suction equipment, so that the wine liquid in the bamboo cavity can be quickly pumped out, the exposure time of the wine liquid in the air is shortened, the pollution risk is further reduced, and the pumping efficiency is improved; and the wine temporary storage cavity for temporarily storing the wine is designed to accommodate more wine, so that the requirement of extracting for multiple times is reduced, and the overall efficiency is improved.

The invention relates to the technical field of air conditioning, in particular to an air supply system for a partition adjusting type refrigeration constant-temperature and constant-humidity air conditioning unit. A constant-temperature air supply structure used for adjusting the air supply temperature of the air supply system is assembled on the inner side of the unit case, and the air supply end of the constant-temperature air supply structure is connected with an air duct pipe used for air power transmission. A constant-humidity zoning adjusting structure used for indoor zoning adjusting air supply is installed at the air outlet end of the air duct pipe. According to the system, in the hot air heating mode, hot air can be effectively conveyed to all the subareas by closing the first electromagnetic valve and the third electromagnetic valve, regional heating is achieved, the energy utilization efficiency is improved, in the cold air refrigeration mode, cold air is conveyed to all the subareas after refrigeration circulation by adjusting the closed rotating plate and starting the compressor, and the energy utilization efficiency is improved. And meanwhile, regional refrigeration is achieved, indoor peculiar smell and dust can be extracted in an air draft and turbidity discharging mode, and the indoor air quality is improved.

The utility model belongs to the technical field of VR (virtual reality) equipment, and particularly relates to wearable VR equipment for multi-scene flight eye training, which comprises a scene simulation VR glasses main body, a dirt isolation component is mounted on the back of the scene simulation VR glasses main body, and a dirt isolation cloth dismounting component is arranged on the side of the dirt isolation component. The side of the VR glasses main body for scene simulation is provided with a VR glasses wearing assembly, the dirt isolation assembly comprises a supporting plate, a hook, a hanging ring, a connecting rope, a face fitting silica gel pad, an isolation layer and a sweat absorption layer, the inner wall of the supporting plate is fixedly connected with the hook, and the inside of the hook is connected with the hanging ring in a clamping manner; the VR glasses are used for conducting scene simulation training on a pilot, when the VR glasses are used, the detachable dirt isolation assembly is arranged, sweat on the face of a user can be conveniently adsorbed, comfort is improved, the VR glasses can be detached and cleaned, and cleanliness is conveniently guaranteed.

The utility model provides a special impression tray for an oral implant tooth. The impression tray special for the oral implant tooth comprises an impression tray body, an impression tray cover and an impression tray cover, wherein the impression tray body is used for sampling teeth; the operation block is fixedly mounted on the impression tray body; the plurality of placing grooves are all formed in the impression tray body; the plurality of ejection blocks are respectively arranged in the plurality of placing grooves, and the ejection blocks are used for ejecting and pressing the dental cast in the impression tray body; and the multiple material taking mechanisms are arranged on the impression tray body and the multiple ejection blocks, and the material taking mechanisms are used for driving the ejection blocks to move. Compared with the prior art, the impression tray special for the dental implant can conveniently and quickly take out solidified dental model impression materials, the dental model cannot be damaged in the material taking process, the safety of the dental model is guaranteed, and meanwhile convenience is brought to operators.